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On Coleman’s principle for the determination of stationary points of invariant functionals. (Russian) Zbl 0526.49004


MSC:

49J27 Existence theories for problems in abstract spaces
47D03 Groups and semigroups of linear operators
58E30 Variational principles in infinite-dimensional spaces
49J20 Existence theories for optimal control problems involving partial differential equations
58J70 Invariance and symmetry properties for PDEs on manifolds
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